A Sotheby's employee holds a rare 52.82-carat white diamond ring at Sotheby's auction house on April 12, 2010 in London, England. Price: 7 million USD. (Photo by Dan Kitwood/Getty Images)
A model walks the runway at the Hakaan Spring Summer 2012 fashion show during Paris Fashion Week on October 4, 2011 in Paris, France. (Photo by Nathalie Lagneau/Catwalking/Getty Images)
Sir Paul McCartney and Nancy Shevell leave the Marylebone Registry Office after their civil ceremony marriage on October 9, 2011 in London, England. (Photo by Danny Martindale/Getty Images)
A sign is posted in front of the new Yoga Room at San Francisco International Airport's terminal two on January 26, 2012 in San Francisco, California. (Photo by Justin Sullivan/Getty Images)
A model walks down the runway during the Safilo fashion show at the Mercedes-Benz Fashion Pavilion on January 30, 2012 in Stockholm, Sweden. (Photo by Ian Gavan/Getty Images)
A worker polishes an Oscar statuette at R.S. Owens & Company during a media demonstration February 9, 2012 in Chicago, Illinois. (Photo by Scott Olson/Getty Images)